^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * zero.c -- Gadget Zero, for USB development
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2003-2008 David Brownell
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2008 by Nokia Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Gadget Zero only needs two bulk endpoints, and is an example of how you
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * can write a hardware-agnostic gadget driver running inside a USB device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Some hardware details are visible, but don't affect most of the driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * Use it with the Linux host side "usbtest" driver to get a basic functional
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * test of your device-side usb stack, or with "usb-skeleton".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * It supports two similar configurations. One sinks whatever the usb host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * writes, and in return sources zeroes. The other loops whatever the host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * writes back, so the host can read it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * Many drivers will only have one configuration, letting them be much
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * simpler if they also don't support high speed operation (like this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * driver does).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * Why is *this* driver using two configurations, rather than setting up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * two interfaces with different functions? To help verify that multiple
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * configuration infrastructure is working correctly; also, so that it can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * work with low capability USB controllers without four bulk endpoints.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * driver assumes self-powered hardware, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * has no way for users to trigger remote wakeup.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* #define VERBOSE_DEBUG */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include <linux/usb/composite.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #include "g_zero.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) USB_GADGET_COMPOSITE_OPTIONS();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define DRIVER_VERSION "Cinco de Mayo 2008"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static const char longname[] = "Gadget Zero";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) * Normally the "loopback" configuration is second (index 1) so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) * it's not the default. Here's where to change that order, to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) * work better with hosts where config changes are problematic or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * controllers (like original superh) that only support one config.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static bool loopdefault = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) module_param(loopdefault, bool, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static struct usb_zero_options gzero_options = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .isoc_interval = GZERO_ISOC_INTERVAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .isoc_maxpacket = GZERO_ISOC_MAXPACKET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .bulk_buflen = GZERO_BULK_BUFLEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .qlen = GZERO_QLEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .ss_bulk_qlen = GZERO_SS_BULK_QLEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .ss_iso_qlen = GZERO_SS_ISO_QLEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) /* Thanks to NetChip Technologies for donating this product ID.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * Instead: allocate your own, using normal USB-IF procedures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #ifndef CONFIG_USB_ZERO_HNPTEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define DRIVER_VENDOR_NUM 0x0525 /* NetChip */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define DRIVER_PRODUCT_NUM 0xa4a0 /* Linux-USB "Gadget Zero" */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define DEFAULT_AUTORESUME 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define DRIVER_VENDOR_NUM 0x1a0a /* OTG test device IDs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define DRIVER_PRODUCT_NUM 0xbadd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define DEFAULT_AUTORESUME 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) /* If the optional "autoresume" mode is enabled, it provides good
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * functional coverage for the "USBCV" test harness from USB-IF.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) * It's always set if OTG mode is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) static unsigned autoresume = DEFAULT_AUTORESUME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) module_param(autoresume, uint, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) MODULE_PARM_DESC(autoresume, "zero, or seconds before remote wakeup");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /* Maximum Autoresume time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) static unsigned max_autoresume;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) module_param(max_autoresume, uint, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) MODULE_PARM_DESC(max_autoresume, "maximum seconds before remote wakeup");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) /* Interval between two remote wakeups */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static unsigned autoresume_interval_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) module_param(autoresume_interval_ms, uint, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) MODULE_PARM_DESC(autoresume_interval_ms,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) "milliseconds to increase successive wakeup delays");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static unsigned autoresume_step_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static struct usb_device_descriptor device_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .bLength = sizeof device_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .bDescriptorType = USB_DT_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) /* .bcdUSB = DYNAMIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) .bDeviceClass = USB_CLASS_VENDOR_SPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .idVendor = cpu_to_le16(DRIVER_VENDOR_NUM),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .idProduct = cpu_to_le16(DRIVER_PRODUCT_NUM),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .bNumConfigurations = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) static const struct usb_descriptor_header *otg_desc[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) /* string IDs are assigned dynamically */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) /* default serial number takes at least two packets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static char serial[] = "0123456789.0123456789.0123456789";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #define USB_GZERO_SS_DESC (USB_GADGET_FIRST_AVAIL_IDX + 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) #define USB_GZERO_LB_DESC (USB_GADGET_FIRST_AVAIL_IDX + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static struct usb_string strings_dev[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) [USB_GADGET_MANUFACTURER_IDX].s = "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) [USB_GADGET_PRODUCT_IDX].s = longname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) [USB_GADGET_SERIAL_IDX].s = serial,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) [USB_GZERO_SS_DESC].s = "source and sink data",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) [USB_GZERO_LB_DESC].s = "loop input to output",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) { } /* end of list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static struct usb_gadget_strings stringtab_dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .language = 0x0409, /* en-us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) .strings = strings_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static struct usb_gadget_strings *dev_strings[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) &stringtab_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static struct timer_list autoresume_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static struct usb_composite_dev *autoresume_cdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) static void zero_autoresume(struct timer_list *unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) struct usb_composite_dev *cdev = autoresume_cdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) struct usb_gadget *g = cdev->gadget;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) /* unconfigured devices can't issue wakeups */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) if (!cdev->config)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) /* Normally the host would be woken up for something
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) * more significant than just a timer firing; likely
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) * because of some direct user request.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) if (g->speed != USB_SPEED_UNKNOWN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) int status = usb_gadget_wakeup(g);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) INFO(cdev, "%s --> %d\n", __func__, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static void zero_suspend(struct usb_composite_dev *cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (cdev->gadget->speed == USB_SPEED_UNKNOWN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) if (autoresume) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (max_autoresume &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) (autoresume_step_ms > max_autoresume * 1000))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) autoresume_step_ms = autoresume * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) mod_timer(&autoresume_timer, jiffies +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) msecs_to_jiffies(autoresume_step_ms));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) DBG(cdev, "suspend, wakeup in %d milliseconds\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) autoresume_step_ms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) autoresume_step_ms += autoresume_interval_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) DBG(cdev, "%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) static void zero_resume(struct usb_composite_dev *cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) DBG(cdev, "%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) del_timer(&autoresume_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static struct usb_configuration loopback_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .label = "loopback",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .bConfigurationValue = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .bmAttributes = USB_CONFIG_ATT_SELFPOWER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) /* .iConfiguration = DYNAMIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) static struct usb_function *func_ss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static struct usb_function_instance *func_inst_ss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static int ss_config_setup(struct usb_configuration *c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) const struct usb_ctrlrequest *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) switch (ctrl->bRequest) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) case 0x5b:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) case 0x5c:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) return func_ss->setup(func_ss, ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) static struct usb_configuration sourcesink_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) .label = "source/sink",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) .setup = ss_config_setup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .bConfigurationValue = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) .bmAttributes = USB_CONFIG_ATT_SELFPOWER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) /* .iConfiguration = DYNAMIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) module_param_named(buflen, gzero_options.bulk_buflen, uint, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) module_param_named(pattern, gzero_options.pattern, uint, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) MODULE_PARM_DESC(pattern, "0 = all zeroes, 1 = mod63, 2 = none");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) module_param_named(isoc_interval, gzero_options.isoc_interval, uint,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) MODULE_PARM_DESC(isoc_interval, "1 - 16");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) module_param_named(isoc_maxpacket, gzero_options.isoc_maxpacket, uint,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) MODULE_PARM_DESC(isoc_maxpacket, "0 - 1023 (fs), 0 - 1024 (hs/ss)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) module_param_named(isoc_mult, gzero_options.isoc_mult, uint, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) MODULE_PARM_DESC(isoc_mult, "0 - 2 (hs/ss only)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) module_param_named(isoc_maxburst, gzero_options.isoc_maxburst, uint,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) MODULE_PARM_DESC(isoc_maxburst, "0 - 15 (ss only)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) static struct usb_function *func_lb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) static struct usb_function_instance *func_inst_lb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) module_param_named(qlen, gzero_options.qlen, uint, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) MODULE_PARM_DESC(qlen, "depth of loopback queue");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) module_param_named(ss_bulk_qlen, gzero_options.ss_bulk_qlen, uint,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) MODULE_PARM_DESC(bulk_qlen, "depth of sourcesink queue for bulk transfer");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) module_param_named(ss_iso_qlen, gzero_options.ss_iso_qlen, uint,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) MODULE_PARM_DESC(iso_qlen, "depth of sourcesink queue for iso transfer");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) static int zero_bind(struct usb_composite_dev *cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) struct f_ss_opts *ss_opts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) struct f_lb_opts *lb_opts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) /* Allocate string descriptor numbers ... note that string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) * contents can be overridden by the composite_dev glue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) status = usb_string_ids_tab(cdev, strings_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) device_desc.iSerialNumber = strings_dev[USB_GADGET_SERIAL_IDX].id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) autoresume_cdev = cdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) timer_setup(&autoresume_timer, zero_autoresume, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) func_inst_ss = usb_get_function_instance("SourceSink");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) if (IS_ERR(func_inst_ss))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) return PTR_ERR(func_inst_ss);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) ss_opts = container_of(func_inst_ss, struct f_ss_opts, func_inst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) ss_opts->pattern = gzero_options.pattern;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) ss_opts->isoc_interval = gzero_options.isoc_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) ss_opts->isoc_maxpacket = gzero_options.isoc_maxpacket;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) ss_opts->isoc_mult = gzero_options.isoc_mult;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) ss_opts->isoc_maxburst = gzero_options.isoc_maxburst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) ss_opts->bulk_buflen = gzero_options.bulk_buflen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) ss_opts->bulk_qlen = gzero_options.ss_bulk_qlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) ss_opts->iso_qlen = gzero_options.ss_iso_qlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) func_ss = usb_get_function(func_inst_ss);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) if (IS_ERR(func_ss)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) status = PTR_ERR(func_ss);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) goto err_put_func_inst_ss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) func_inst_lb = usb_get_function_instance("Loopback");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) if (IS_ERR(func_inst_lb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) status = PTR_ERR(func_inst_lb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) goto err_put_func_ss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) lb_opts = container_of(func_inst_lb, struct f_lb_opts, func_inst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) lb_opts->bulk_buflen = gzero_options.bulk_buflen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) lb_opts->qlen = gzero_options.qlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) func_lb = usb_get_function(func_inst_lb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) if (IS_ERR(func_lb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) status = PTR_ERR(func_lb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) goto err_put_func_inst_lb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) sourcesink_driver.iConfiguration = strings_dev[USB_GZERO_SS_DESC].id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) loopback_driver.iConfiguration = strings_dev[USB_GZERO_LB_DESC].id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) /* support autoresume for remote wakeup testing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) sourcesink_driver.bmAttributes &= ~USB_CONFIG_ATT_WAKEUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) loopback_driver.bmAttributes &= ~USB_CONFIG_ATT_WAKEUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) sourcesink_driver.descriptors = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) loopback_driver.descriptors = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) if (autoresume) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) sourcesink_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) loopback_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) autoresume_step_ms = autoresume * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) /* support OTG systems */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) if (gadget_is_otg(cdev->gadget)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (!otg_desc[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) struct usb_descriptor_header *usb_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) usb_desc = usb_otg_descriptor_alloc(cdev->gadget);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if (!usb_desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) goto err_conf_flb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) usb_otg_descriptor_init(cdev->gadget, usb_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) otg_desc[0] = usb_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) otg_desc[1] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) sourcesink_driver.descriptors = otg_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) sourcesink_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) loopback_driver.descriptors = otg_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) loopback_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) /* Register primary, then secondary configuration. Note that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) * SH3 only allows one config...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) if (loopdefault) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) usb_add_config_only(cdev, &loopback_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) usb_add_config_only(cdev, &sourcesink_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) usb_add_config_only(cdev, &sourcesink_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) usb_add_config_only(cdev, &loopback_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) status = usb_add_function(&sourcesink_driver, func_ss);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) goto err_free_otg_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) usb_ep_autoconfig_reset(cdev->gadget);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) status = usb_add_function(&loopback_driver, func_lb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) goto err_free_otg_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) usb_ep_autoconfig_reset(cdev->gadget);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) usb_composite_overwrite_options(cdev, &coverwrite);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) INFO(cdev, "%s, version: " DRIVER_VERSION "\n", longname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) err_free_otg_desc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) kfree(otg_desc[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) otg_desc[0] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) err_conf_flb:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) usb_put_function(func_lb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) func_lb = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) err_put_func_inst_lb:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) usb_put_function_instance(func_inst_lb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) func_inst_lb = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) err_put_func_ss:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) usb_put_function(func_ss);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) func_ss = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) err_put_func_inst_ss:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) usb_put_function_instance(func_inst_ss);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) func_inst_ss = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) static int zero_unbind(struct usb_composite_dev *cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) del_timer_sync(&autoresume_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) if (!IS_ERR_OR_NULL(func_ss))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) usb_put_function(func_ss);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) usb_put_function_instance(func_inst_ss);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) if (!IS_ERR_OR_NULL(func_lb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) usb_put_function(func_lb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) usb_put_function_instance(func_inst_lb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) kfree(otg_desc[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) otg_desc[0] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) static struct usb_composite_driver zero_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) .name = "zero",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) .dev = &device_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) .strings = dev_strings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) .max_speed = USB_SPEED_SUPER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) .bind = zero_bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) .unbind = zero_unbind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) .suspend = zero_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) .resume = zero_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) module_usb_composite_driver(zero_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) MODULE_AUTHOR("David Brownell");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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